Home entertainment HDMI extender that keeps high-refresh 4K signals stable across rooms, promising zero-latency transmission and remote control. FOURKAY HDMI Extender gives responsive gaming and smooth video for anyone moving a PC or console to a separate screen. Does the unit fit typical AV installations and control requirements?
⚡ At a Glance
- • Image Quality: Supports 4K at high refresh rates with HDR and HDCP 2.2 compliance
- • Best for: Gamers, AV installers and homeowners sending PC or console signals across rooms
- • Not ideal for: Setups that require a local HDMI loop-out from the transmitter
Zero-latency transmission carries 4K@120Hz up to 25m and 4K60Hz up to 60m over CAT6/7. IR passback and RS232 passthrough support remote control and professional integration.
Lag-free high-refresh gaming – Thanks to 4K@120Hz transmission over CAT6/7
4K (3840x2160) at 120Hz signals can be sent over up to 25 metres using CAT6 or better cable, with zero latency transmission stated in the specification. The extender handles high frame-rate HDMI streams while maintaining synchronisation between source and display.
Competitive gaming remains responsive when the source is in a different room, with input lag kept to a minimum and refresh-rate fidelity preserved.
Longer runs for living rooms and halls – With 4K60Hz support up to 60m
4K60Hz signals can be carried over distances up to 60 metres on CAT6/7, with automatic downscaling and EDID passthrough to match the remote display. Cable quality and termination influence maximum stable range.
Mount screens further from AV cabinets without losing image quality, making the extender suitable for larger homes and distributed setups.
Remote control and system integration – With IR Passback and RS232 pass-through
IR passback relays control signals from the remote display back to the HDMI source, while RS232 passthrough allows connection to control systems; EDID passthrough ensures proper handshake between source and display.
Operate the source from the seating position and integrate with AV automation or rack-mounted equipment without running additional control cabling.
✨ The 4 Key Reasons for FOURKAY HDMI Extender
- Zero-latency transmission – Keeps gaming and mouse input responsive across rooms
- 25m at 4K@120Hz – High-refresh connection for nearby remote displays
- IR Passback & RS232 – Control sources remotely and integrate with automation
- L/R stereo audio extraction – Feed external speakers from the receiver directly
📋 Technical Details at a Glance
- Category: Home Entertainment HDMI extender
- Supported Resolutions: 4K (3840x2160) at 120Hz and 4K at 60Hz
- Maximum Range: 25m for 4K@120Hz, 60m for 4K@60Hz over CAT6/7
- Latency: Zero latency transmission (as specified)
- HDR Support: HDR supported
❓ Frequently Asked Questions
Q: How far can the extender send 4K signals?
A: 4K at 120Hz can be sent up to 25 metres over CAT6 or better, while 4K at 60Hz can reach up to 60 metres, according to the product description.
Q: Can the source be controlled from the remote display?
A: Yes, IR passback allows control of the HDMI source from the remote display and RS232 passthrough supports control system integration.
Q: Do the units need external power or support PoE?
A: Both the transmitter and receiver require 5V power from the supplied power supplies and the system is not PoE; powering from a USB port requires that the port can deliver at least 1 amp.
🏆 Our Verdict
The FOURKAY HDMI Extender is well suited to gamers, AV installers and homeowners who need high-refresh, low-latency HDMI links across rooms. Robust support for 4K@120Hz, HDR, IR passback and RS232 make it a practical choice for responsive gaming and integrated AV setups. While the initial outlay may be larger than basic extenders, the feature set and control options deliver long-term value for permanent installations.
